What reason is old man's leg swollen

summary

This kind of appearance is very common. I don't think we all know what the swelling of the old man's leg is. There are many causes of leg swelling, which can be a symptom of systemic diseases, or one of the symptoms of local diseases of lower limbs. What is the cause of the old man's swollen legs? Let me tell you about it.

What reason is old man's leg swollen

First: leg swelling means edema and edema of lower limbs. There are many reasons for leg swelling. 1. Renal edema. Suffering from acute nephritis, chronic nephritis or nephropathy, because the blood flow of the kidney is reduced, sodium and water retention, capillary permeability increases, and the amount of protein lost in urine is too much. That is, the colloid osmotic pressure of the plasma will decrease, and the interstitial fluid will be aggregated and cause edema, which is also * leg swelling.

Second: leg swelling may also be caused by cardiac edema. When right heart failure occurs in various heart diseases, the venous blood can not flow back smoothly, resulting in the increase of venous pressure, body fluid leakage into the tissue space, causing leg swelling. There is also hepatic edema. Liver damage, obstruction of portal venous return, increased portal venous pressure, and low plasma albumin in liver failure may cause leg swelling.

Third: malnutrition may also cause leg swelling. There is also the obstruction of veins and lymphatics in the lower limbs, which leads to the body fluid entering into the tissue space, and the lower extremity embolic phlebitis, lymphadenitis, filariasis, pelvic or lower extremity tumors oppress the veins.

matters needing attention

Now that you know what causes leg swelling, you should pay more attention to it. If you feel unwell, you should go to the hospital in time to avoid aggravation.